Lexus NX300 Owner's Manual page 399

Tire related
term
A mechanical device
made of rubber, chemicals,
fabric and steel or other
materials, that, when
Pneumatic
mounted on an automotive
tire
wheel, provides the trac-
tion and contains the gas
or fluid that sustains the
load
A pneumatic tire in which
the ply cords that extend to
Radial ply tire the beads are laid at sub-
stantially 90 degrees to
the centerline of the tread
A tire designed to operate
at higher loads and at
Reinforced
higher inflation pressures
tire
than the corresponding
standard tire
The linear distance
between the exteriors of
the sidewalls of an inflated
Section width
tire, excluding elevations
due to labeling, decora-
tion, or protective bands
That portion of a tire
Sidewall between the tread and
bead
The parting of the rubber
Sidewall sep-
compound from the cord
aration
material in the sidewall
LEXUS NX300
al_USA_OM78211U
Meaning
Owners Manu-
8-1. Specifications
Tire related
Meaning
term
A tire that attains a traction
index equal to or greater
than 110, compared to the
ASTM E-1136 Standard
Reference Test Tire, when
using the snow traction test
as described in ASTM F-
Snow tire
1805-00, Standard Test
Method for Single Wheel
Driving Traction in a
Straight Line on Snow-and
Ice-Covered Surfaces, and
which is marked with an
Alpine Symbol (
least one sidewall
The rim on which a tire is
fitted for testing, and may
Test rim
be any rim listed as appro-
priate for use with that tire
That portion of a tire that
Tread comes into contact with
the road
A tread section running
Tread rib circumferentially around a
tire
Tread separa- Pulling away of the tread
tion from the tire carcass
The projections within the
Treadwear principal grooves designed
indicators to give a visual indication of
(TWI) the degrees of wear of the
tread
The fixture used to hold the
Wheel-hold-
wheel and tire assembly
ing fixture
securely during testing
*
: Table 1 ⎯ Occupant loading and distri-
bution for vehicle normal load for vari-
401
) on at
8